Jefferson County, Wisconsin
35 public bodies govern here, 8 school districts are based here, and USDA lists 5 farmers markets. Everything below says where it came from.
In four numbers
- People
- 86,003
- Median household income
- $83,750
- ±2,615
- Unemployed
- 3.6%
- 1,727 of 48,609 in the labour force
- Homes with broadband
- 90.6%
- 31,582 of 34,873 households
U.S. Census Bureau, American Community Survey 5-year estimates 2020-2024; read 2026-09-26. Percentages worked out here from the two counts shown.
Who governs here
County government 1
| Name | People | Office | Website |
|---|---|---|---|
| County of Jefferson | 84,943 (2021) | 311 S Center Ave, Jefferson | Website |
Cities, towns and villages 8
| Name | People | Office | Website |
|---|---|---|---|
| City of Fort Atkinson | 12,489 (2021) | 101 N Main St, Fort Atkinson | Website |
| City of Jefferson | 7,753 (2021) | 317 S Main St, Jefferson | Website |
| City of Lake Mills | 6,433 (2021) | 200 D Water St, Lake Mills | Website |
| City of Waterloo | 3,479 (2021) | 136 N Monroe St, Waterloo | — |
| City of Watertown | 22,885 (2021) | Po Box 477, Watertown | Website |
| Village of Johnson Creek | 3,406 (2021) | Po Box 238, Johnson Creek | Website |
| Village of Palmyra | 1,699 (2021) | Po Box 380, Palmyra | Website |
| Village of Sullivan | 644 (2021) | Po Box 6, Sullivan | — |
Townships 16
| Name | People | Office | Website |
|---|---|---|---|
| Town of Aztalan | 1,369 (2021) | W 6260 County Rd B, Jefferson | — |
| Town of Cold Spring | 729 (2021) | N426 Woodward Rd, Whitewater | Website |
| Town of Concord | 1,980 (2021) | N6240 Stonewood Dr, Watertown | Website |
| Town of Farmington | 1,406 (2021) | N6297 County Road P, Helenville | — |
| Town of Hebron | 1,037 (2021) | N1986 Frommader Rd, Fort Atkinson | — |
| Town of Ixonia | 5,098 (2021) | W1195 Marietta Ave, Ixonia | Website |
| Town of Jefferson | 2,054 (2021) | W7002 County Road J, Jefferson | — |
| Town of Koshkonong | 3,747 (2021) | W5609 Star School Rd, Fort Atkinson | Website |
| Town of Lake Mills | 2,193 (2021) | 1111 S Main St, Lake Mills | Website |
| Town of Milford | 1,099 (2021) | N7389 County Road A, Johnson Creek | — |
| Town of Oakland | 3,213 (2021) | N4450 County Road A, Cambridge | — |
| Town of Palmyra | 1,213 (2021) | Po Box 519, Palmyra | — |
| Town of Sullivan | 2,290 (2021) | N3866 West St, Sullivan | — |
| Town of Sumner | 842 (2021) | N1525 Church St, Edgerton | Website |
| Town of Waterloo | 864 (2021) | N8565 County Road O, Waterloo | — |
| Town of Watertown | 1,922 (2021) | W2725 Rock River Paradise, Watertown | Website |
Special districts 10
| Name | What it does | Office | Website |
|---|---|---|---|
| Jefferson County Drainage Board | Drainage | 136 Hospital Dr, Watertown | Website |
| Jefferson City Housing Authority | Housing and community development | 431 N Elizabeth Ave, Jefferson | — |
| Lake Mills City Housing Authority | Housing and community development | 228 Water St, Lake Mills | Website |
| Watertown Community Authority | Housing and community development | 201 N Water St, Watertown | — |
| Blue Spring Lake Management District | Other natural resources | Po Box F, Palmyra | Website |
| Lower Springs Lake Protection and Rehabilitation District | Other natural resources | Po Box 62, Palmyra | — |
| Ripley Lake Protection and Rehabilitation District | Other natural resources | N4450 County Road A, Cambridge | Website |
| Rock-Koshkonong Lake District | Parks and recreation | 374 E Samuelsen Dr, Edgerton | Website |
| Oakland Sanitary District 1 | Sewerage | Po Box 19, Cambridge | — |
| Sullivan Sanitary District 1 | Sewerage | P.o. Box 396, Sullivan | — |
U.S. Census Bureau, 2022 Census of Governments, Government Units List (published August 2023); the file read 2026-09-26. Offices are placed by county; a special district’s territory can cross county lines. Each body posts its own meetings on its website where the Census records one.
School districts based here
Cambridge School District
School district4 schools
403 Blue Jay Way, Cambridge, WI, 53523
Its website — where its board posts meetings. Federal record.
Fort Atkinson School District
School district7 schools
201 Park St, Fort Atkinson, WI, 53538
Its website — where its board posts meetings. Federal record.
Jefferson School District
School district5 schools
206 S Taft Ave, Jefferson, WI, 53549
Its website — where its board posts meetings. Federal record.
Johnson Creek School District
School district1 schools
455 Aztalan St, Johnson Creek, WI, 53038
Its website — where its board posts meetings. Federal record.
Lake Mills Area School District
School district3 schools
120 E Lake Park Pl, Lake Mills, WI, 53551
Its website — where its board posts meetings. Federal record.
Palmyra-Eagle Area School District
School district4 schools
123 Burr Oak St, Palmyra, WI, 53156
Its website — where its board posts meetings. Federal record.
Waterloo School District
School district4 schools
813 N Monroe St, Waterloo, WI, 53594
Its website — where its board posts meetings. Federal record.
Watertown Unified School District
School district10 schools
111 Dodge St, Watertown, WI, 53094
Its website — where its board posts meetings. Federal record.
National Center for Education Statistics, Common Core of Data 2024-25; read 2026-09-26.
Farmers markets
VirtuMarket Waterloo Producer's Market
100 Block South Monroe St Waterloo, WI, 53594
Gathered by USDA from the web; USDA record last changed 2023-03-27. USDA listing
Fort HealthCare Farmer's Market
611 Sherman Ave E Fort Atkinson, WI, 53538
Gathered by USDA from the web; USDA record last changed 2023-03-27. USDA listing
Fort Atkinson Farmers' Market
1 S. Water St. W., Fort Atkinson, WI, 53538
Gathered by USDA from the web; USDA record last changed 2023-03-27. USDA listing
Jefferson Farmers' Market
105 S. Center Ave., Jefferson, WI, 53549
Gathered by USDA from the web; USDA record last changed 2023-03-27. USDA listing
Watertown Farmers' Market
Riverside Park, Watertown, WI, 53094
Gathered by USDA from the web; USDA record last changed 2023-03-27. USDA listing
USDA National Farmers Market Directory; read 2026-09-26.